emacs.d/elpa/slime-20191129.1304/contrib/slime-trace-dialog.el
2019-11-29 18:35:43 +01:00

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;;; -*- coding: utf-8; lexical-binding: t -*-
;;;
;;; slime-trace-dialog.el -- a navigable dialog of inspectable trace entries
;;;
;;; TODO: implement better wrap interface for sbcl method, labels and such
;;; TODO: backtrace printing is very slow
;;;
(require 'slime)
(require 'slime-parse)
(require 'slime-repl)
(require 'cl-lib)
(define-slime-contrib slime-trace-dialog
"Provide an interfactive trace dialog buffer for managing and
inspecting details of traced functions. Invoke this dialog with C-c T."
(:authors "João Távora <joaotavora@gmail.com>")
(:license "GPL")
(:swank-dependencies swank-trace-dialog)
(:on-load (add-hook 'slime-mode-hook 'slime-trace-dialog-enable)
(add-hook 'slime-repl-mode-hook 'slime-trace-dialog-enable))
(:on-unload (remove-hook 'slime-mode-hook 'slime-trace-dialog-enable)
(remove-hook 'slime-repl-mode-hook 'slime-trace-dialog-enable)))
;;;; Variables
;;;
(defvar slime-trace-dialog-flash t
"Non-nil means flash the updated region of the SLIME Trace Dialog. ")
(defvar slime-trace-dialog--specs-overlay nil)
(defvar slime-trace-dialog--progress-overlay nil)
(defvar slime-trace-dialog--tree-overlay nil)
(defvar slime-trace-dialog--collapse-chars (cons "-" "+"))
;;;; Local trace entry model
(defvar slime-trace-dialog--traces nil)
(cl-defstruct (slime-trace-dialog--trace
(:constructor slime-trace-dialog--make-trace))
id
parent
spec
args
retlist
depth
beg
end
collapse-button-marker
summary-beg
children-end
collapsed-p)
(defun slime-trace-dialog--find-trace (id)
(gethash id slime-trace-dialog--traces))
;;;; Modes and mode maps
;;;
(defvar slime-trace-dialog-mode-map
(let ((map (make-sparse-keymap))
(remaps '((slime-inspector-operate-on-point . nil)
(slime-inspector-operate-on-click . nil)
(slime-inspector-reinspect
. slime-trace-dialog-fetch-status)
(slime-inspector-next-inspectable-object
. slime-trace-dialog-next-button)
(slime-inspector-previous-inspectable-object
. slime-trace-dialog-prev-button))))
(set-keymap-parent map slime-inspector-mode-map)
(cl-loop for (old . new) in remaps
do (substitute-key-definition old new map))
(set-keymap-parent map slime-parent-map)
(define-key map (kbd "G") 'slime-trace-dialog-fetch-traces)
(define-key map (kbd "C-k") 'slime-trace-dialog-clear-fetched-traces)
(define-key map (kbd "g") 'slime-trace-dialog-fetch-status)
(define-key map (kbd "M-RET") 'slime-trace-dialog-copy-down-to-repl)
(define-key map (kbd "q") 'quit-window)
map))
(define-derived-mode slime-trace-dialog-mode fundamental-mode
"SLIME Trace Dialog" "Mode for controlling SLIME's Trace Dialog"
(set-syntax-table lisp-mode-syntax-table)
(read-only-mode 1)
(add-to-list (make-local-variable 'slime-trace-dialog-after-toggle-hook)
'slime-trace-dialog-fetch-status))
(define-derived-mode slime-trace-dialog--detail-mode slime-inspector-mode
"SLIME Trace Detail"
"Mode for viewing a particular trace from SLIME's Trace Dialog")
(setq slime-trace-dialog--detail-mode-map
(let ((map (make-sparse-keymap))
(remaps '((slime-inspector-next-inspectable-object
. slime-trace-dialog-next-button)
(slime-inspector-previous-inspectable-object
. slime-trace-dialog-prev-button))))
(set-keymap-parent map slime-trace-dialog-mode-map)
(cl-loop for (old . new) in remaps
do (substitute-key-definition old new map))
map))
(defvar slime-trace-dialog-minor-mode-map
(let ((map (make-sparse-keymap)))
(define-key map (kbd "C-c T") 'slime-trace-dialog)
(define-key map (kbd "C-c M-t") 'slime-trace-dialog-toggle-trace)
map))
(define-minor-mode slime-trace-dialog-minor-mode
"Add keybindings for accessing SLIME's Trace Dialog.")
(defun slime-trace-dialog-enable ()
(slime-trace-dialog-minor-mode 1))
(easy-menu-define slime-trace-dialog--menubar (list slime-trace-dialog-minor-mode-map
slime-trace-dialog-mode-map)
"A menu for accessing some features of SLIME's Trace Dialog"
(let* ((in-dialog '(eq major-mode 'slime-trace-dialog-mode))
(dialog-live `(and ,in-dialog
(memq slime-buffer-connection slime-net-processes)))
(connected '(slime-connected-p)))
`("Trace"
["Toggle trace" slime-trace-dialog-toggle-trace ,connected]
["Trace complex spec" slime-trace-dialog-toggle-complex-trace ,connected]
["Open Trace dialog" slime-trace-dialog (and ,connected (not ,in-dialog))]
"--"
[ "Refresh traces and progress" slime-trace-dialog-fetch-status ,dialog-live]
[ "Fetch next batch" slime-trace-dialog-fetch-traces ,dialog-live]
[ "Clear all fetched traces" slime-trace-dialog-clear-fetched-traces ,dialog-live]
[ "Toggle details" slime-trace-dialog-hide-details-mode ,in-dialog]
[ "Toggle autofollow" slime-trace-dialog-autofollow-mode ,in-dialog])))
(define-minor-mode slime-trace-dialog-hide-details-mode
"Hide details in `slime-trace-dialog-mode'"
nil " Brief"
:group 'slime-trace-dialog
(unless (derived-mode-p 'slime-trace-dialog-mode)
(error "Not a SLIME Trace Dialog buffer"))
(slime-trace-dialog--set-hide-details-mode))
(define-minor-mode slime-trace-dialog-autofollow-mode
"Automatically open buffers with trace details from `slime-trace-dialog-mode'"
nil " Autofollow"
:group 'slime-trace-dialog
(unless (derived-mode-p 'slime-trace-dialog-mode)
(error "Not a SLIME Trace Dialog buffer")))
;;;; Helper functions
;;;
(defun slime-trace-dialog--call-refreshing (buffer
overlay
dont-erase
recover-point-p
fn)
(with-current-buffer buffer
(let ((inhibit-point-motion-hooks t)
(inhibit-read-only t)
(saved (point)))
(save-restriction
(when overlay
(narrow-to-region (overlay-start overlay)
(overlay-end overlay)))
(unwind-protect
(if dont-erase
(goto-char (point-max))
(delete-region (point-min) (point-max)))
(funcall fn)
(when recover-point-p
(goto-char saved)))
(when slime-trace-dialog-flash
(slime-flash-region (point-min) (point-max)))))
buffer))
(cl-defmacro slime-trace-dialog--refresh ((&key
overlay
dont-erase
recover-point-p
buffer)
&rest body)
(declare (indent 1)
(debug (sexp &rest form)))
`(slime-trace-dialog--call-refreshing ,(or buffer
`(current-buffer))
,overlay
,dont-erase
,recover-point-p
#'(lambda () ,@body)))
(defmacro slime-trace-dialog--insert-and-overlay (string overlay)
`(save-restriction
(let ((inhibit-read-only t))
(narrow-to-region (point) (point))
(insert ,string "\n")
(set (make-local-variable ',overlay)
(let ((overlay (make-overlay (point-min)
(point-max)
(current-buffer)
nil
t)))
(move-overlay overlay (overlay-start overlay)
(1- (overlay-end overlay)))
;; (overlay-put overlay 'face '(:background "darkslategrey"))
overlay)))))
(defun slime-trace-dialog--buffer-name ()
(format "*traces for %s*"
(slime-connection-name slime-default-connection)))
(defun slime-trace-dialog--live-dialog (&optional buffer-or-name)
(let ((buffer-or-name (or buffer-or-name
(slime-trace-dialog--buffer-name))))
(and (buffer-live-p (get-buffer buffer-or-name))
(with-current-buffer buffer-or-name
(memq slime-buffer-connection slime-net-processes))
buffer-or-name)))
(defun slime-trace-dialog--ensure-buffer ()
(let ((name (slime-trace-dialog--buffer-name)))
(or (slime-trace-dialog--live-dialog name)
(with-current-buffer (get-buffer-create name)
(let ((inhibit-read-only t))
(erase-buffer))
(slime-trace-dialog-mode)
(save-excursion
(buffer-disable-undo)
(slime-trace-dialog--insert-and-overlay
"[waiting for the traced specs to be available]"
slime-trace-dialog--specs-overlay)
(slime-trace-dialog--insert-and-overlay
"[waiting for some info on trace download progress ]"
slime-trace-dialog--progress-overlay)
(slime-trace-dialog--insert-and-overlay
"[waiting for the actual traces to be available]"
slime-trace-dialog--tree-overlay)
(current-buffer))
(setq slime-buffer-connection slime-default-connection)
(current-buffer)))))
(defun slime-trace-dialog--make-autofollow-fn (id)
(let ((requested nil))
#'(lambda (_before after)
(let ((inhibit-point-motion-hooks t)
(id-after (get-text-property after 'slime-trace-dialog--id)))
(when (and (= after (point))
slime-trace-dialog-autofollow-mode
id-after
(= id-after id)
(not requested))
(setq requested t)
(slime-eval-async `(swank-trace-dialog:report-trace-detail
,id-after)
#'(lambda (detail)
(setq requested nil)
(when detail
(let ((inhibit-point-motion-hooks t))
(slime-trace-dialog--open-detail detail
'no-pop))))))))))
(defun slime-trace-dialog--set-collapsed (collapsed-p trace button)
(save-excursion
(setf (slime-trace-dialog--trace-collapsed-p trace) collapsed-p)
(slime-trace-dialog--go-replace-char-at
button
(if collapsed-p
(cdr slime-trace-dialog--collapse-chars)
(car slime-trace-dialog--collapse-chars)))
(slime-trace-dialog--hide-unhide
(slime-trace-dialog--trace-summary-beg trace)
(slime-trace-dialog--trace-end trace)
(if collapsed-p 1 -1))
(slime-trace-dialog--hide-unhide
(slime-trace-dialog--trace-end trace)
(slime-trace-dialog--trace-children-end trace)
(if collapsed-p 1 -1))))
(defun slime-trace-dialog--hide-unhide (start-pos end-pos delta)
(cl-loop with inhibit-read-only = t
for pos = start-pos then next
for next = (next-single-property-change
pos
'slime-trace-dialog--hidden-level
nil
end-pos)
for hidden-level = (+ (or (get-text-property
pos
'slime-trace-dialog--hidden-level)
0)
delta)
do (add-text-properties pos next
(list 'slime-trace-dialog--hidden-level
hidden-level
'invisible
(cl-plusp hidden-level)))
while (< next end-pos)))
(defun slime-trace-dialog--set-hide-details-mode ()
(cl-loop for trace being the hash-values of slime-trace-dialog--traces
do (slime-trace-dialog--hide-unhide
(slime-trace-dialog--trace-summary-beg trace)
(slime-trace-dialog--trace-end trace)
(if slime-trace-dialog-hide-details-mode 1 -1))))
(defun slime-trace-dialog--format-part (part-id part-text trace-id type)
(slime-trace-dialog--button
(format "%s" part-text)
#'(lambda (_button)
(slime-eval-async
`(swank-trace-dialog:inspect-trace-part ,trace-id ,part-id ,type)
#'slime-open-inspector))
'mouse-face 'highlight
'slime-trace-dialog--part-id part-id
'slime-trace-dialog--type type
'face 'slime-inspector-value-face))
(defun slime-trace-dialog--format-trace-entry (id external)
(slime-trace-dialog--button
(format "%s" external)
#'(lambda (_button)
(slime-eval-async
`(swank::inspect-object (swank-trace-dialog::find-trace ,id))
#'slime-open-inspector))
'face 'slime-inspector-value-face))
(defun slime-trace-dialog--format (fmt-string &rest args)
(let* ((string (apply #'format fmt-string args))
(indent (make-string (max 2
(- 50 (length string))) ? )))
(format "%s%s" string indent)))
(defun slime-trace-dialog--button (title lambda &rest props)
(let ((string (format "%s" title)))
(apply #'make-text-button string nil
'action #'(lambda (button)
(funcall lambda button))
'mouse-face 'highlight
'face 'slime-inspector-action-face
props)
string))
(defun slime-trace-dialog--call-maintaining-properties (pos fn)
(save-excursion
(goto-char pos)
(let* ((saved-props (text-properties-at pos))
(saved-point (point))
(inhibit-read-only t)
(inhibit-point-motion-hooks t))
(funcall fn)
(add-text-properties saved-point (point) saved-props)
(if (markerp pos) (set-marker pos saved-point)))))
(cl-defmacro slime-trace-dialog--maintaining-properties (pos
&body body)
(declare (indent 1))
`(slime-trace-dialog--call-maintaining-properties ,pos #'(lambda () ,@body)))
(defun slime-trace-dialog--go-replace-char-at (pos char)
(slime-trace-dialog--maintaining-properties pos
(delete-char 1)
(insert char)))
;;;; Handlers for the *trace-dialog* and *trace-detail* buffers
;;;
(defun slime-trace-dialog--open-specs (traced-specs)
(cl-labels ((make-report-spec-fn
(&optional form)
#'(lambda (_button)
(slime-eval-async
`(cl:progn
,form
(swank-trace-dialog:report-specs))
#'(lambda (results)
(slime-trace-dialog--open-specs results))))))
(slime-trace-dialog--refresh
(:overlay slime-trace-dialog--specs-overlay
:recover-point-p t)
(insert
(slime-trace-dialog--format "Traced specs (%s)" (length traced-specs))
(slime-trace-dialog--button "[refresh]"
(make-report-spec-fn))
"\n" (make-string 50 ? )
(slime-trace-dialog--button
"[untrace all]"
(make-report-spec-fn `(swank-trace-dialog:dialog-untrace-all)))
"\n\n")
(cl-loop for spec in traced-specs
do (insert
" "
(slime-trace-dialog--button
"[untrace]"
(make-report-spec-fn
`(swank-trace-dialog:dialog-untrace ',spec)))
(format " %s" spec)
"\n")))))
(defvar slime-trace-dialog--fetch-key nil)
(defvar slime-trace-dialog--stop-fetching nil)
(defun slime-trace-dialog--update-progress (total &optional show-stop-p remaining-p)
;; `remaining-p' indicates `total' is the number of remaining traces.
(slime-trace-dialog--refresh
(:overlay slime-trace-dialog--progress-overlay
:recover-point-p t)
(let* ((done (hash-table-count slime-trace-dialog--traces))
(total (if remaining-p (+ done total) total)))
(insert
(slime-trace-dialog--format "Trace collection status (%d/%s)"
done
(or total "0"))
(slime-trace-dialog--button "[refresh]"
#'(lambda (_button)
(slime-trace-dialog-fetch-progress))))
(when (and total (cl-plusp (- total done)))
(insert "\n" (make-string 50 ? )
(slime-trace-dialog--button
"[fetch next batch]"
#'(lambda (_button)
(slime-trace-dialog-fetch-traces nil)))
"\n" (make-string 50 ? )
(slime-trace-dialog--button
"[fetch all]"
#'(lambda (_button)
(slime-trace-dialog-fetch-traces t)))))
(when total
(insert "\n" (make-string 50 ? )
(slime-trace-dialog--button
"[clear]"
#'(lambda (_button)
(slime-trace-dialog-clear-fetched-traces)))))
(when show-stop-p
(insert "\n" (make-string 50 ? )
(slime-trace-dialog--button
"[stop]"
#'(lambda (_button)
(setq slime-trace-dialog--stop-fetching t)))))
(insert "\n\n"))))
(defun slime-trace-dialog--open-detail (trace-tuple &optional no-pop)
(slime-with-popup-buffer ("*trace-detail*" :select (not no-pop)
:mode 'slime-trace-dialog--detail-mode)
(cl-destructuring-bind (id _parent-id _spec args retlist backtrace external)
trace-tuple
(let ((headline (slime-trace-dialog--format-trace-entry id external)))
(setq headline (format "%s\n%s\n"
headline
(make-string (length headline) ?-)))
(insert headline))
(cl-loop for (type objects label)
in `((:arg ,args "Called with args:")
(:retval ,retlist "Returned values:"))
do (insert (format "\n%s\n" label))
(insert (cl-loop for object in objects
for i from 0
concat (format " %s: %s\n" i
(slime-trace-dialog--format-part
(cl-first object)
(cl-second object)
id
type)))))
(when backtrace
(insert "\nBacktrace:\n"
(cl-loop for (i spec) in backtrace
concat (format " %s: %s\n" i spec)))))))
;;;; Rendering traces
;;;
(defun slime-trace-dialog--draw-tree-lines (start offset direction)
(save-excursion
(let ((inhibit-point-motion-hooks t))
(goto-char start)
(cl-loop with replace-set = (if (eq direction 'down)
'(? )
'(? ?`))
for line-beginning = (line-beginning-position
(if (eq direction 'down)
2 0))
for pos = (+ line-beginning offset)
while (and (< (point-min) line-beginning)
(< line-beginning (point-max))
(memq (char-after pos) replace-set))
do
(slime-trace-dialog--go-replace-char-at pos "|")
(goto-char pos)))))
(defun slime-trace-dialog--make-indent (depth suffix)
(concat (make-string (* 3 (max 0 (1- depth))) ? )
(if (cl-plusp depth) suffix)))
(defun slime-trace-dialog--make-collapse-button (trace)
(slime-trace-dialog--button (if (slime-trace-dialog--trace-collapsed-p trace)
(cdr slime-trace-dialog--collapse-chars)
(car slime-trace-dialog--collapse-chars))
#'(lambda (button)
(slime-trace-dialog--set-collapsed
(not (slime-trace-dialog--trace-collapsed-p
trace))
trace
button))))
(defun slime-trace-dialog--insert-trace (trace)
(let* ((id (slime-trace-dialog--trace-id trace))
(parent (slime-trace-dialog--trace-parent trace))
(has-children-p (slime-trace-dialog--trace-children-end trace))
(indent-spec (slime-trace-dialog--make-indent
(slime-trace-dialog--trace-depth trace)
"`--"))
(indent-summary (slime-trace-dialog--make-indent
(slime-trace-dialog--trace-depth trace)
" "))
(autofollow-fn (slime-trace-dialog--make-autofollow-fn id))
(id-string (slime-trace-dialog--button
(format "%4s" id)
#'(lambda (_button)
(slime-eval-async
`(swank-trace-dialog:report-trace-detail
,id)
#'slime-trace-dialog--open-detail))))
(spec (slime-trace-dialog--trace-spec trace))
(summary (cl-loop for (type objects marker) in
`((:arg ,(slime-trace-dialog--trace-args trace)
" > ")
(:retval ,(slime-trace-dialog--trace-retlist trace)
" < "))
concat (cl-loop for object in objects
concat " "
concat indent-summary
concat marker
concat (slime-trace-dialog--format-part
(cl-first object)
(cl-second object)
id
type)
concat "\n"))))
(puthash id trace slime-trace-dialog--traces)
;; insert and propertize the text
;;
(setf (slime-trace-dialog--trace-beg trace) (point-marker))
(insert id-string " ")
(insert indent-spec)
(if has-children-p
(insert (slime-trace-dialog--make-collapse-button trace))
(setf (slime-trace-dialog--trace-collapse-button-marker trace)
(point-marker))
(insert "-"))
(insert (format " %s\n" spec))
(setf (slime-trace-dialog--trace-summary-beg trace) (point-marker))
(insert summary)
(setf (slime-trace-dialog--trace-end trace) (point-marker))
(set-marker-insertion-type (slime-trace-dialog--trace-beg trace) t)
(add-text-properties (slime-trace-dialog--trace-beg trace)
(slime-trace-dialog--trace-end trace)
(list 'slime-trace-dialog--id id
'point-entered autofollow-fn
'point-left autofollow-fn))
;; respect brief mode and collapsed state
;;
(cl-loop for condition in (list slime-trace-dialog-hide-details-mode
(slime-trace-dialog--trace-collapsed-p trace))
when condition
do (slime-trace-dialog--hide-unhide
(slime-trace-dialog--trace-summary-beg
trace)
(slime-trace-dialog--trace-end trace)
1))
(cl-loop for tr = trace then parent
for parent = (slime-trace-dialog--trace-parent tr)
while parent
when (slime-trace-dialog--trace-collapsed-p parent)
do (slime-trace-dialog--hide-unhide
(slime-trace-dialog--trace-beg trace)
(slime-trace-dialog--trace-end trace)
(+ 1
(or (get-text-property (slime-trace-dialog--trace-beg parent)
'slime-trace-dialog--hidden-level)
0)))
(cl-return))
;; maybe add the collapse-button to the parent in case it didn't
;; have one already
;;
(when (and parent
(slime-trace-dialog--trace-collapse-button-marker parent))
(slime-trace-dialog--maintaining-properties
(slime-trace-dialog--trace-collapse-button-marker parent)
(delete-char 1)
(insert (slime-trace-dialog--make-collapse-button parent))
(setf (slime-trace-dialog--trace-collapse-button-marker parent)
nil)))
;; draw the tree lines
;;
(when parent
(slime-trace-dialog--draw-tree-lines (slime-trace-dialog--trace-beg trace)
(+ 2 (length indent-spec))
'up))
(when has-children-p
(slime-trace-dialog--draw-tree-lines (slime-trace-dialog--trace-beg trace)
(+ 5 (length indent-spec))
'down))
;; set the "children-end" slot
;;
(unless (slime-trace-dialog--trace-children-end trace)
(cl-loop for parent = trace
then (slime-trace-dialog--trace-parent parent)
while parent
do
(setf (slime-trace-dialog--trace-children-end parent)
(slime-trace-dialog--trace-end trace))))))
(defun slime-trace-dialog--render-trace (trace)
;; Render the trace entry in the appropriate place.
;;
;; A trace becomes a few lines of slightly propertized text in the
;; buffer, inserted by `slime-trace-dialog--insert-trace', bound by
;; point markers that we use here.
;;
;; The new trace might be replacing an existing one, or otherwise
;; must be placed under its existing parent which might or might not
;; be the last entry inserted.
;;
(let ((existing (slime-trace-dialog--find-trace
(slime-trace-dialog--trace-id trace)))
(parent (slime-trace-dialog--trace-parent trace)))
(cond (existing
;; Other traces might already reference `existing' and with
;; need to maintain that eqness. Best way to do that is
;; destructively modify `existing' with the new retlist...
;;
(setf (slime-trace-dialog--trace-retlist existing)
(slime-trace-dialog--trace-retlist trace))
;; Now, before deleting and re-inserting `existing' at an
;; arbitrary point in the tree, note that it's
;; "children-end" marker is already non-nil, and informs us
;; about its parenthood status. We want to 1. leave it
;; alone if it's already a parent, or 2. set it to nil if
;; it's a leaf, thus forcing the needed update of the
;; parents' "children-end" marker.
;;
(when (= (slime-trace-dialog--trace-children-end existing)
(slime-trace-dialog--trace-end existing))
(setf (slime-trace-dialog--trace-children-end existing) nil))
(delete-region (slime-trace-dialog--trace-beg existing)
(slime-trace-dialog--trace-end existing))
(goto-char (slime-trace-dialog--trace-end existing))
;; Remember to set `trace' to be `existing'
;;
(setq trace existing))
(parent
(goto-char (1+ (slime-trace-dialog--trace-children-end parent))))
(;; top level trace
t
(goto-char (point-max))))
(goto-char (line-beginning-position))
(slime-trace-dialog--insert-trace trace)))
(defun slime-trace-dialog--update-tree (tuples)
(save-excursion
(slime-trace-dialog--refresh
(:overlay slime-trace-dialog--tree-overlay
:dont-erase t)
(cl-loop for tuple in tuples
for parent = (slime-trace-dialog--find-trace (cl-second tuple))
for trace = (slime-trace-dialog--make-trace
:id (cl-first tuple)
:parent parent
:spec (cl-third tuple)
:args (cl-fourth tuple)
:retlist (cl-fifth tuple)
:depth (if parent
(1+ (slime-trace-dialog--trace-depth
parent))
0))
do (slime-trace-dialog--render-trace trace)))))
(defun slime-trace-dialog--clear-local-tree ()
(set (make-local-variable 'slime-trace-dialog--fetch-key)
(cl-gensym "slime-trace-dialog-fetch-key-"))
(set (make-local-variable 'slime-trace-dialog--traces)
(make-hash-table))
(slime-trace-dialog--refresh
(:overlay slime-trace-dialog--tree-overlay))
(slime-trace-dialog--update-progress nil))
(defun slime-trace-dialog--on-new-results (results &optional recurse)
(cl-destructuring-bind (tuples remaining reply-key)
results
(cond ((and slime-trace-dialog--fetch-key
(string= (symbol-name slime-trace-dialog--fetch-key)
(symbol-name reply-key)))
(slime-trace-dialog--update-tree tuples)
(slime-trace-dialog--update-progress
remaining
(and recurse
(cl-plusp remaining))
t)
(when (and recurse
(not (prog1 slime-trace-dialog--stop-fetching
(setq slime-trace-dialog--stop-fetching nil)))
(cl-plusp remaining))
(slime-eval-async `(swank-trace-dialog:report-partial-tree
',reply-key)
#'(lambda (results) (slime-trace-dialog--on-new-results
results
recurse))))))))
;;;; Interactive functions
;;;
(defun slime-trace-dialog-fetch-specs ()
"Refresh just list of traced specs."
(interactive)
(slime-eval-async `(swank-trace-dialog:report-specs)
#'slime-trace-dialog--open-specs))
(defun slime-trace-dialog-fetch-progress ()
(interactive)
(slime-eval-async
'(swank-trace-dialog:report-total)
#'(lambda (total)
(slime-trace-dialog--update-progress
total))))
(defun slime-trace-dialog-fetch-status ()
"Refresh just the status part of the SLIME Trace Dialog"
(interactive)
(slime-trace-dialog-fetch-specs)
(slime-trace-dialog-fetch-progress))
(defun slime-trace-dialog-clear-fetched-traces (&optional interactive)
"Clear local and remote traces collected so far"
(interactive "p")
(when (or (not interactive)
(y-or-n-p "Clear all collected and fetched traces?"))
(slime-eval-async
'(swank-trace-dialog:clear-trace-tree)
#'(lambda (_ignored)
(slime-trace-dialog--clear-local-tree)))))
(defun slime-trace-dialog-fetch-traces (&optional recurse)
(interactive "P")
(setq slime-trace-dialog--stop-fetching nil)
(slime-eval-async `(swank-trace-dialog:report-partial-tree
',slime-trace-dialog--fetch-key)
#'(lambda (results) (slime-trace-dialog--on-new-results results
recurse))))
(defun slime-trace-dialog-next-button (&optional goback)
(interactive)
(let ((finder (if goback
#'previous-single-property-change
#'next-single-property-change)))
(cl-loop for pos = (funcall finder (point) 'action)
while pos
do (goto-char pos)
until (get-text-property pos 'action))))
(defun slime-trace-dialog-prev-button ()
(interactive)
(slime-trace-dialog-next-button 'goback))
(defvar slime-trace-dialog-after-toggle-hook nil
"Hooks run after toggling a dialog-trace")
(defun slime-trace-dialog-toggle-trace (&optional using-context-p)
"Toggle the dialog-trace of the spec at point.
When USING-CONTEXT-P, attempt to decipher lambdas. methods and
other complicated function specs."
(interactive "P")
;; Notice the use of "spec strings" here as opposed to the
;; proper cons specs we use on the swank side.
;;
;; Notice the conditional use of `slime-trace-query' found in
;; swank-fancy-trace.el
;;
(let* ((spec-string (if using-context-p
(slime-extract-context)
(slime-symbol-at-point)))
(spec-string (if (fboundp 'slime-trace-query)
(slime-trace-query spec-string)
spec-string)))
(message "%s" (slime-eval `(swank-trace-dialog:dialog-toggle-trace
(swank::from-string ,spec-string))))
(run-hooks 'slime-trace-dialog-after-toggle-hook)))
(defun slime-trace-dialog--update-existing-dialog ()
(let ((existing (slime-trace-dialog--live-dialog)))
(when existing
(with-current-buffer existing
(slime-trace-dialog-fetch-status)))))
(add-hook 'slime-trace-dialog-after-toggle-hook
'slime-trace-dialog--update-existing-dialog)
(defun slime-trace-dialog-toggle-complex-trace ()
"Toggle the dialog-trace of the complex spec at point.
See `slime-trace-dialog-toggle-trace'."
(interactive)
(slime-trace-dialog-toggle-trace t))
(defun slime-trace-dialog (&optional clear-and-fetch)
"Show trace dialog and refresh trace collection status.
With optional CLEAR-AND-FETCH prefix arg, clear the current tree
and fetch a first batch of traces."
(interactive "P")
(with-current-buffer
(pop-to-buffer (slime-trace-dialog--ensure-buffer))
(slime-trace-dialog-fetch-status)
(when (or clear-and-fetch
(null slime-trace-dialog--fetch-key))
(slime-trace-dialog--clear-local-tree))
(when clear-and-fetch
(slime-trace-dialog-fetch-traces nil))))
(defun slime-trace-dialog-copy-down-to-repl (id part-id type)
"Eval the Trace Dialog entry under point in the REPL (to set *)"
(interactive (cl-loop for prop in '(slime-trace-dialog--id
slime-trace-dialog--part-id
slime-trace-dialog--type)
collect (get-text-property (point) prop)))
(unless (and id part-id type) (error "No trace part at point %s" (point)))
(slime-repl-send-string
(format "%s" `(nth-value 0
(swank-trace-dialog::find-trace-part
,id ,part-id ,type))))
(slime-repl))
(provide 'slime-trace-dialog)